Machine tool

Abstract

The embodiment of the utility model provides a machine tool which comprises a base, a stand column arranged on the base and a cross beam arranged on the stand column and further comprises an outer protection structure, an organ protection piece, a connecting piece and a guide groove, the outer protection structure fixedly covers the periphery of the stand column and the periphery of the cross beam, and the organ protection piece is arranged on the front side face of the cross beam; a first gap is formed between the side portion of the organ protection piece and the outer protection structure, a second gap is formed between the bottom of the organ protection piece and the cross beam, the organ protection piece is fixedly connected with the outer protection structure through the connecting piece, the connecting piece covers the first gap, and the second gap is formed between the bottom of the organ protection piece and the cross beam. The guide groove is formed in the lower side face of the cross beam and covers the second gap, and the organ protection piece is in sliding fit with the guide groove. According to the machine tool, adaptive protection can be achieved along with adjustment of the height of the cross beam.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of processing equipment, and in particular to a machine tool. Background Art

[0002] In CNC machine tools, chips are generated during the machining process. To prevent chips or cutting fluid from contaminating precision components such as the lead screw, a sheet metal protective structure is required to form an isolation barrier between the precision components and the chips, thereby protecting the precision components.

[0003] In the application of CNC machine tools, due to the need to process workpieces of different sizes, the height of the beam will be adjusted, resulting in the fixed length of sheet metal external protection being unable to provide protection for precision structural parts, and the sheet metal protection structure needs to be redesigned, which in turn causes increased costs, material stagnation and extended production cycles.

[0004] Therefore, how to provide a sheet metal protection that can be adaptively adjusted as the height of the beam is adjusted is an urgent problem to be solved. Utility Model Content

[0005] An embodiment of the present application provides a machine tool that can be adaptively protected as the height of the beam is adjusted.

[0006] An embodiment of the present application provides a machine tool, comprising a base, a column arranged on the base, and a beam arranged on the column, and also comprising an external protective structure, an accordion guard, a connecting member and a guide groove, wherein the fixed cover of the external protective structure is arranged on the outer periphery of the column and the beam, the accordion guard is arranged on the front side of the beam, a first gap is provided between the side of the accordion guard and the external protective structure, a second gap is provided between the bottom of the accordion guard and the beam, the accordion guard and the external protective structure are fixedly connected by the connecting member, the connecting member covers the first gap, the guide groove is arranged on the lower side of the beam, the guide groove covers the second gap, and the accordion guard and the guide groove are slidably matched.

[0007] In some feasible embodiments, the guide groove is connected to the crossbeam and is located below the accordion guard; a matching groove is provided on a side of the accordion guard facing the guide groove, and the guide groove is provided with a sliding portion that slidably cooperates with the matching groove.

[0008] In some feasible embodiments, the height of the beam relative to the base is adjustable, and the side of the outer protective structure is provided with multiple groups of mounting parts at different heights. The connecting part adjusts the height of the beam and the accordion guard relative to the outer protective structure by connecting the mounting parts at different heights.

[0009] In some feasible embodiments, a mounting plate is provided on a side of the outer protective structure facing the connecting member, and the multiple groups of mounting portions are vertically arranged on the mounting plate.

[0010] In some feasible embodiments, the accordion guard includes a horizontal telescopic part and a vertical telescopic part connected to each other, and the connecting part includes a horizontal connecting part and a vertical connecting part connected to each other, the horizontal connecting part is fixedly connected to the horizontal telescopic part, and the vertical connecting part is fixedly connected to the vertical telescopic part.

[0011] In some feasible embodiments, the vertical connection portion includes a first mounting plate and a second mounting plate arranged at an angle, the first mounting plate is fixedly connected to the vertical telescopic portion, and the second mounting plate is fixedly connected to the outer protective structure.

[0012] In some feasible embodiments, ribs are provided on the top of the outer protective structure, and the accordion protective member is connected to the ribs via a telescopic protective plate.

[0013] In some feasible embodiments, two headstock assemblies and three accordion guards are provided on the front side of the crossbeam, and the two headstock assemblies separate the three accordion guards.

[0014] In some feasible embodiments, the spindle box assembly includes a spindle box and a protective cover arranged on the spindle box, and one end of the horizontal telescopic portion away from the connecting piece is fixedly connected to the protective cover.

[0015] In some feasible embodiments, the spindle box assembly further includes an X-axis slide, each spindle box is slidably connected to the crossbeam via an X-axis slide, and the vertical telescopic portion is connected to the X-axis slide.

[0016] The technical solution of the embodiment of the present application has at least the following technical effects: the machine tool includes an outer protective structure, an accordion guard, a connecting piece and a guide groove, the outer protective structure fixed cover is arranged on the outer periphery of the column and the beam, the accordion guard is arranged on the front side of the beam, there is a first gap between the side of the accordion guard and the outer protective structure, and there is a second gap between the bottom of the accordion guard and the beam, the accordion guard and the outer protective structure are fixedly connected by the connecting piece, the connecting piece covers the first gap, the guide groove is arranged on the lower side of the beam, the guide groove covers the second gap, and the accordion guard is slidably matched with the guide groove, the connecting piece can be adjusted accordingly with the adjustment of the beam height, so that the machine tool can be adaptively protected as the beam height is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some examples of the embodiments of the present application. For those skilled in the art, other drawings can be derived based on the structures shown in these drawings without inventive effort.

[0018] Figure 1 This is a schematic diagram of a machine tool provided in accordance with a first embodiment of the present application.

[0019] Figure 2 This is a schematic diagram of the crossbeam of a machine tool provided in accordance with the first embodiment of the present application.

[0020] Figure 3 for Figure 2 Partial exploded view.

[0021] Figure 4 for Figure 2 Schematic diagram of the connecting parts.

[0022] Figure 5 for Figure 1 Schematic diagram of Chinese and foreign protective structures.

[0023] Figure 6 A schematic diagram of a cross section provided for embodiment 1 of the present application.

[0024] Figure 7 for Figure 6 A is an enlarged schematic diagram.

[0025] Component Symbol Description

[0026] 100. Base; 200. Column; 400. External protective structure; 401. Mounting part; 402. Mounting plate; 403. Ribs; 300. Crossbeam; 500. Organ protective member; 510. Horizontal telescopic part; 520. Vertical telescopic part; 530. Matching groove; 600. Connecting member; 610. Horizontal connecting part; 620. Vertical connecting part; 621. First mounting plate; 622. Second mounting plate; 800. Retractable protective assembly; 810. First protective plate; 820. Second protective plate; 700. Guide groove; 900. Spindle box assembly; 910. Spindle box; 920. Protective cover; 930. X-axis slide; 710. Sliding part; L1. First gap; L2. Second gap.

[0027] The realization of the objectives, functional features and advantages of the embodiments of the present application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of this application, the meaning of "plurality" is two or more, unless otherwise clearly specified.

[0030] In the embodiments of this application, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integrated connections; they can refer to mechanical connections; they can refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0031] To provide a clearer and more accurate understanding of the embodiments of this application, the following detailed description will be given in conjunction with the accompanying drawings. The accompanying drawings illustrate examples of the embodiments of this application, with like reference numerals representing like elements. It should be understood that the scales shown in the accompanying drawings are not the scales of the actual implementation of the embodiments of this application. These scales are for illustrative purposes only and are not drawn to scale.

[0032] Please see Figure 1 and Figure 2 An embodiment of the present application provides a machine tool, including a base 100, a column 200 arranged on the base 100, and a beam 300 arranged on the column 200, and also includes an external protective structure 400, an accordion protective member 500, a connecting member 600 and a guide groove 700.

[0033] Please see Figure 1 and Figure 2 The outer protective structure 400 fixed cover is arranged on the periphery of the column 200 and the beam 300 , the outer protective structure 400 is located on the periphery of the beam 300 , and the outer protective structure 400 fixed cover is arranged on the periphery of the beam 300 .

[0034] The accordion guard 500 is provided on the front side of the beam 300 . The accordion guard 500 can protect the driving mechanism installed on the front side of the beam 300 , and prevent chips or cutting fluid from contaminating the driving mechanism.

[0035] There is a first gap L1 between the side of the accordion guard 500 and the outer protective structure 400 . The accordion guard 500 and the outer protective structure 400 are fixedly connected via a connecting member 600 , and the connecting member 600 covers the first gap L1 .

[0036] The height of the crossbeam 300 is adjustable, and the connector 600 can be fixed at multiple positions on the outer protective structure 400. The connector 600 can be adjusted accordingly with the height adjustment of the crossbeam 300. When the crossbeam 300 is raised, the connector 600 can be fixed at a higher position on the outer protective structure 400. In this way, the first gap L1 between the raised crossbeam 300 and the outer protective structure 400 can be adaptively protected by moving the connector 600.

[0037] Please see Figure 1 、 Figure 6 and Figure 7 In order to facilitate the relative sliding of the beam 300 and the bottom of the accordion guard 500, the guide groove 700 is set on the lower side of the beam 300. There is a second gap L2 between the bottom of the accordion guard 500 and the beam 300. The guide groove 700 covers the second gap L2, and the accordion guard 500 slides with the guide groove 700.

[0038] In some embodiments, the guide slot 700 is connected to the crossbeam 300 and is located below the accordion guard 500. The accordion guard 500 has a mating slot 530 on one side facing the guide slot 700. The guide slot 700 has a sliding portion 710 that slidably engages with the mating slot 530. It is understood that the guide slot 700 includes two plates arranged at a right angle, and the sliding portion 710 is plate-shaped, perpendicularly connected to one plate and parallel to the other plate.

[0039] In some embodiments, see Figure 2 and Figure 5 To ensure that the connector 600 can be raised and securely connected to the outer protective structure 400 when the crossbeam 300 is raised, the outer protective structure 400 is provided with multiple mounting portions 401 at different heights. These mounting portions 401 are used to adjust the height of the crossbeam 300 and the accordion guard 500 relative to the outer protective structure 400. Specifically, the mounting portions 401 may be threaded holes provided on the side of the outer protective structure 400.

[0040] In some embodiments, to facilitate the installation of threaded holes, a mounting plate 402 is provided on the side of the outer protective structure 400 facing the connector 600. Multiple sets of mounting portions 401 are vertically arranged on the mounting plate 402. The threaded holes provided on the mounting plate 402 serve as the mounting portions 401. The connector 600 connects mounting portions 401 at different heights, thereby facilitating adjustment of the height of the crossbeam 300 and the accordion guard 500 relative to the outer protective structure 400. It will be appreciated that the connector 600 is secured to the mounting portions 401 via fasteners, which may be bolts.

[0041] In some embodiments, see Figure 3 To better protect the drive mechanism mounted on the front side of the crossbeam 300, the accordion guard 500 includes a horizontally connected telescopic portion 510 and a vertically connected telescopic portion 520. The horizontal telescopic portion 510 extends horizontally, while the vertical telescopic portion 520 extends vertically, giving the accordion guard 500 an overall right-angled shape. The connector 600 includes a horizontally connected portion 610 and a vertically connected portion 620. The vertically connected portion 620 is located on the front side of the crossbeam 300. The horizontal connector 610 is fixedly connected to the horizontal telescopic portion 510, while the vertical connector 620 is fixedly connected to the vertical telescopic portion 520. This ensures that the structure of the connector 600 is compatible with that of the accordion guard 500.

[0042] In some embodiments, see Figure 4 The vertical connection portion 620 includes a first mounting plate 621 and a second mounting plate 622 arranged at an angle. For example, the angle is a right angle. The first mounting plate 621 is fixedly connected to the vertical telescopic portion 520, and the second mounting plate 622 is fixedly connected to the outer protective structure 400. Thus, the outer protective structure 400 and the accordion protective member 500 are connected by the first mounting plate 621 and the second mounting plate 622.

[0043] In some embodiments, see Figure 1 and Figure 3 When the height of the crossbeam 300 is raised, in order to facilitate the protection between the top of the accordion guard 500 and the outer protective structure 400, the machine tool also includes a retractable protective assembly 800. The top of the outer protective structure 400 is provided with ribs 403. There is a second gap L2 between the top of the accordion guard 500 and the outer protective structure 400. The retractable protective assembly 800 is arranged between the accordion guard 500 and the outer protective structure 400. The accordion guard 500 is connected to the ribs 403 of the outer protective structure 400 through the retractable protective assembly 800. The retractable protective assembly 800 blocks the second gap L2, and the retractable protective assembly 800 is adjusted accordingly as the height of the crossbeam 300 is adjusted. It can be understood that the second gap L2 can be set to a rectangle. Correspondingly, the retractable protective assembly 800 is also rectangular.

[0044] Please combine Figure 3 , understand how the retractable protective assembly 800 is retractable: the retractable protective assembly 800 includes a first protective plate 810 and a second protective plate 820 arranged vertically, the first protective plate 810 is fixedly connected to the top of the outer protective structure 400, the second protective plate 820 remains fixed relative to the beam 300, the bottom of the first protective plate 810 coincides with the top of the second protective plate 820, the height of the second gap L2 is adjustable, and the first protective plate 810 and the second protective plate 820 can be relatively extended or shortened vertically.

[0045] Further, in some embodiments, see Figure 4 To facilitate securing the first protective plate 810 to the outer protective structure 400, a rib 403 is provided on the top of the outer protective structure 400, and the accordion guard 500 is connected to the rib 403 via the retractable protective assembly 800. For example, the first protective plate 810 of the retractable protective assembly 800 is fixedly connected to the rib 403. It is understood that the first protective plate 810 and the rib 403 may be fixedly connected by bolts.

[0046] Please see Figure 3 Furthermore, in some embodiments, the first protective plate 810 and the second protective plate 820 have a locked state and an unlocked state. When the first protective plate 810 and the second protective plate 820 are in the locked state, the first protective plate 810 and the second protective plate 820 are locked together by the first fastener. When the first protective plate 810 and the second protective plate 820 are in the unlocked state, the first protective plate 810 or the second protective plate 820 is separated from the first fastener, and the first protective plate 810 can move vertically relative to the second protective plate 820, thereby adjusting the height of the retractable protective assembly 800.

[0047] Please see Figure 3 Furthermore, in some embodiments, to facilitate installation of the first protective plate 810, the first protective plate 810 includes at least two first sub-protective plates arranged side by side, and the second protective plate 820 also includes at least two second sub-protective plates arranged side by side, with each first sub-protective plate corresponding to each second sub-protective plate. This allows for the removal and replacement of either a first sub-protective plate or a second sub-protective plate if damaged.

[0048] Please look back Figure 1In some embodiments, to improve machining efficiency, two headstock assemblies 900 and three accordion guards 500 are provided on the front side of the crossbeam 300. The two headstock assemblies 900 separate the three accordion guards 500, and the two headstock assemblies 900 are disposed between the three accordion guards 500. The provision of three accordion guards 500 provides relatively complete protection for the two drive mechanisms of the two headstock assemblies 900.

[0049] Please see Figure 6 The following describes the connection structure between the headstock assembly 900 and the horizontal telescopic portion 510 of the accordion guard 500. In some embodiments, the headstock assembly 900 includes a headstock 910 and a protective cover 920 disposed over the headstock 910. The end of the horizontal telescopic portion 510 away from the connector 600 is fixedly connected to the protective cover 920, thereby facilitating the fixed connection between the horizontal telescopic portion 510 of the accordion guard 500 and the protective cover 920, thereby improving the stability of the connection between the accordion guard 500 and the headstock assembly 900.

[0050] The following describes the connection structure between the spindle box assembly 900 and the vertical telescopic portion 520 of the accordion guard 500. Figure 6 In some embodiments, the spindle box assembly 900 also includes an X-axis slide 930. Each spindle box 910 is slidably connected to the crossbeam 300 through an X-axis slide 930, and the vertical telescopic portion 520 is connected to the X-axis slide 930, thereby facilitating the fixed connection between the vertical telescopic portion 520 of the accordion guard 500 and the X-axis slide 930, thereby improving the stability of the connection between the accordion guard 500 and the spindle box assembly 900.

[0051] The machine tool in the embodiment of the present application includes an outer protective structure 400, an accordion guard 500, a connecting member 600 and a guide groove 700. The fixed cover of the outer protective structure 400 is arranged on the outer periphery of the column 200 and the beam 300. The accordion guard 500 is arranged on the front side of the beam 300. There is a first gap L1 between the side of the accordion guard 500 and the outer protective structure 400, and a second gap L2 between the bottom of the accordion guard 500 and the beam 300. The accordion guard 500 is fixedly connected to the outer protective structure 400 through the connecting member 600. The connecting member 600 covers the first gap L1. The guide groove 700 is arranged on the lower side of the beam 300. The guide groove 700 covers the second gap L2, and the accordion guard 500 and the guide groove 700 are slidably matched. The connecting member 600 can be adjusted accordingly with the adjustment of the height of the beam 300, so that the precision structural parts can be adaptively protected as the height of the beam 300 is adjusted.

[0052] Obviously, those skilled in the art may make various changes and modifications to the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, if these modifications and variations of the embodiments of the present application fall within the scope of the claims of the embodiments of the present application and their equivalents, the embodiments of the present application are intended to include these modifications and variations.

[0053] The above examples are merely preferred embodiments of the present application, and certainly cannot be used to limit the scope of rights of the present application. Therefore, equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A machine tool comprising a base (100), a column (200) arranged on the base (100), and a beam (300) arranged on the column (200), characterized in that: The invention also includes an outer protective structure (400), an organ protective member (500), a connecting member (600) and a guide groove (700), wherein the outer protective structure (400) is fixedly covered on the periphery of the column (200) and the crossbeam (300), the organ protective member (500) is arranged on the front side of the crossbeam (300), a first gap (L1) is formed between the side of the organ protective member (500) and the outer protective structure (400), and the bottom of the organ protective member (500) is aligned with the outer protective structure (400). A second gap (L2) is provided between the crossbeams (300), the accordion guard (500) is fixedly connected to the outer protective structure (400) via the connecting member (600), the connecting member (600) covers the first gap (L1), the guide groove (700) is provided on the lower side of the crossbeam (300), the guide groove (700) covers the second gap (L2), and the accordion guard (500) is slidably matched with the guide groove (700).

2. The machine tool according to claim 1, wherein: The guide groove (700) is connected to the crossbeam (300) and is located below the accordion guard (500); a matching groove (530) is provided on a side of the accordion guard (500) facing the guide groove (700), and the guide groove (700) is provided with a sliding portion (710) that slidably matches the matching groove (530).

3. The machine tool according to claim 1, wherein: The height of the crossbeam (300) relative to the base (100) is adjustable, and the side of the outer protective structure (400) is provided with multiple groups of mounting parts (401) located at different heights. The connecting member (600) adjusts the height of the crossbeam (300) and the accordion protective member (500) relative to the outer protective structure (400) by connecting the mounting parts (401) at different heights.

4. The machine tool according to claim 3, wherein: A mounting plate (402) is provided on one side of the outer protective structure (400) facing the connecting member (600), and the multiple groups of mounting portions (401) are vertically arranged on the mounting plate (402).

5. The machine tool according to any one of claims 1 to 4, characterized in that: The accordion guard (500) includes a horizontal telescopic portion (510) and a vertical telescopic portion (520) connected to each other, and the connecting member (600) includes a horizontal connecting portion (610) and a vertical connecting portion (620) connected to each other, wherein the horizontal connecting portion (610) is fixedly connected to the horizontal telescopic portion (510), and the vertical connecting portion (620) is fixedly connected to the vertical telescopic portion (520).

6. The machine tool according to claim 5, wherein: The vertical connection portion (620) comprises a first mounting plate (621) and a second mounting plate (622) arranged at an angle, the first mounting plate (621) being fixedly connected to the vertical telescopic portion (520), and the second mounting plate (622) being fixedly connected to the outer protective structure (400).

7. The machine tool according to claim 5, wherein: The top of the outer protective structure (400) is provided with a rib (403), and the accordion protective member (500) is connected to the rib (403) via a telescopic protective assembly (800).

8. The machine tool according to claim 5, wherein: Two main shaft box assemblies (900) and three accordion protection pieces (500) are arranged on the front side of the crossbeam (300), and the two main shaft box assemblies (900) separate the three accordion protection pieces (500).

9. The machine tool according to claim 8, wherein: The spindle box assembly (900) comprises a spindle box (910) and a protective cover (920) arranged on the spindle box (910), and one end of the horizontal telescopic portion (510) away from the connecting member (600) is fixedly connected to the protective cover (920).

10. The machine tool according to claim 9, wherein: The spindle box assembly (900) further includes an X-axis slide (930), each spindle box (910) is slidably connected to the crossbeam (300) via an X-axis slide (930), and the vertical telescopic portion (520) is connected to the X-axis slide (930).

Images